411871973 has 2 divisors, whose sum is σ = 411871974. Its totient is φ = 411871972.

The previous prime is 411871969. The next prime is 411872009. The reversal of 411871973 is 379178114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272679169 + 139192804 = 16513^2 + 11798^2 .

It is a cyclic number.

It is not a de Polignac number, because 411871973 - 2² = 411871969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 411871973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411171973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205935986 + 205935987.

It is an arithmetic number, because the mean of its divisors is an integer number (205935987).

Almost surely, 2^411871973 is an apocalyptic number.

It is an amenable number.

411871973 is a deficient number, since it is larger than the sum of its proper divisors (1).

411871973 is an equidigital number, since it uses as much as digits as its factorization.

411871973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 411871973 is about 20294.6291663583. The cubic root of 411871973 is about 744.0248027391.

The spelling of 411871973 in words is "four hundred eleven million, eight hundred seventy-one thousand, nine hundred seventy-three".